source: arduino-1-6-7/trunk/fuentes/arduino-ide-amd64/hardware/arduino/avr/variants/ethernet/pins_arduino.h @ 4837

Last change on this file since 4837 was 4837, checked in by daduve, 2 years ago

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1/*
2  pins_arduino.h - Pin definition functions for Arduino
3  Part of Arduino - http://www.arduino.cc/
4
5  Copyright (c) 2007 David A. Mellis
6
7  This library is free software; you can redistribute it and/or
8  modify it under the terms of the GNU Lesser General Public
9  License as published by the Free Software Foundation; either
10  version 2.1 of the License, or (at your option) any later version.
11
12  This library is distributed in the hope that it will be useful,
13  but WITHOUT ANY WARRANTY; without even the implied warranty of
14  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  Lesser General Public License for more details.
16
17  You should have received a copy of the GNU Lesser General
18  Public License along with this library; if not, write to the
19  Free Software Foundation, Inc., 59 Temple Place, Suite 330,
20  Boston, MA  02111-1307  USA
21*/
22
23#ifndef Pins_Arduino_h
24#define Pins_Arduino_h
25
26#include <avr/pgmspace.h>
27
28#define NUM_DIGITAL_PINS            20
29#define NUM_ANALOG_INPUTS           6
30#define analogInputToDigitalPin(p)  ((p < 6) ? (p) + 14 : -1)
31
32#if defined(__AVR_ATmega8__)
33#define digitalPinHasPWM(p)         ((p) == 9 || (p) == 10 || (p) == 11)
34#else
35#define digitalPinHasPWM(p)         ((p) == 3 || (p) == 5 || (p) == 6 || (p) == 9 || (p) == 10 || (p) == 11)
36#endif
37
38#define PIN_SPI_SS    (10)
39#define PIN_SPI_MOSI  (11)
40#define PIN_SPI_MISO  (12)
41#define PIN_SPI_SCK   (13)
42
43static const uint8_t SS   = PIN_SPI_SS;
44static const uint8_t MOSI = PIN_SPI_MOSI;
45static const uint8_t MISO = PIN_SPI_MISO;
46static const uint8_t SCK  = PIN_SPI_SCK;
47
48#define PIN_WIRE_SDA        (18)
49#define PIN_WIRE_SCL        (19)
50
51static const uint8_t SDA = PIN_WIRE_SDA;
52static const uint8_t SCL = PIN_WIRE_SCL;
53
54#define LED_BUILTIN 9
55
56#define PIN_A0   (14)
57#define PIN_A1   (15)
58#define PIN_A2   (16)
59#define PIN_A3   (17)
60#define PIN_A4   (18)
61#define PIN_A5   (19)
62#define PIN_A6   (20)
63#define PIN_A7   (21)
64
65static const uint8_t A0 = PIN_A0;
66static const uint8_t A1 = PIN_A1;
67static const uint8_t A2 = PIN_A2;
68static const uint8_t A3 = PIN_A3;
69static const uint8_t A4 = PIN_A4;
70static const uint8_t A5 = PIN_A5;
71static const uint8_t A6 = PIN_A6;
72static const uint8_t A7 = PIN_A7;
73
74#define digitalPinToPCICR(p)    (((p) >= 0 && (p) <= 21) ? (&PCICR) : ((uint8_t *)0))
75#define digitalPinToPCICRbit(p) (((p) <= 7) ? 2 : (((p) <= 13) ? 0 : 1))
76#define digitalPinToPCMSK(p)    (((p) <= 7) ? (&PCMSK2) : (((p) <= 13) ? (&PCMSK0) : (((p) <= 21) ? (&PCMSK1) : ((uint8_t *)0))))
77#define digitalPinToPCMSKbit(p) (((p) <= 7) ? (p) : (((p) <= 13) ? ((p) - 8) : ((p) - 14)))
78
79#define digitalPinToInterrupt(p)  ((p) == 2 ? 0 : ((p) == 3 ? 1 : NOT_AN_INTERRUPT))
80
81#ifdef ARDUINO_MAIN
82
83// On the Arduino board, digital pins are also used
84// for the analog output (software PWM).  Analog input
85// pins are a separate set.
86
87// ATMEL ATMEGA8 & 168 / ARDUINO
88//
89//                  +-\/-+
90//            PC6  1|    |28  PC5 (AI 5)
91//      (D 0) PD0  2|    |27  PC4 (AI 4)
92//      (D 1) PD1  3|    |26  PC3 (AI 3)
93//      (D 2) PD2  4|    |25  PC2 (AI 2)
94// PWM+ (D 3) PD3  5|    |24  PC1 (AI 1)
95//      (D 4) PD4  6|    |23  PC0 (AI 0)
96//            VCC  7|    |22  GND
97//            GND  8|    |21  AREF
98//            PB6  9|    |20  AVCC
99//            PB7 10|    |19  PB5 (D 13)
100// PWM+ (D 5) PD5 11|    |18  PB4 (D 12)
101// PWM+ (D 6) PD6 12|    |17  PB3 (D 11) PWM
102//      (D 7) PD7 13|    |16  PB2 (D 10) PWM
103//      (D 8) PB0 14|    |15  PB1 (D 9) PWM
104//                  +----+
105//
106// (PWM+ indicates the additional PWM pins on the ATmega168.)
107
108// ATMEL ATMEGA1280 / ARDUINO
109//
110// 0-7 PE0-PE7   works
111// 8-13 PB0-PB5  works
112// 14-21 PA0-PA7 works
113// 22-29 PH0-PH7 works
114// 30-35 PG5-PG0 works
115// 36-43 PC7-PC0 works
116// 44-51 PJ7-PJ0 works
117// 52-59 PL7-PL0 works
118// 60-67 PD7-PD0 works
119// A0-A7 PF0-PF7
120// A8-A15 PK0-PK7
121
122
123// these arrays map port names (e.g. port B) to the
124// appropriate addresses for various functions (e.g. reading
125// and writing)
126const uint16_t PROGMEM port_to_mode_PGM[] = {
127        NOT_A_PORT,
128        NOT_A_PORT,
129        (uint16_t) &DDRB,
130        (uint16_t) &DDRC,
131        (uint16_t) &DDRD,
132};
133
134const uint16_t PROGMEM port_to_output_PGM[] = {
135        NOT_A_PORT,
136        NOT_A_PORT,
137        (uint16_t) &PORTB,
138        (uint16_t) &PORTC,
139        (uint16_t) &PORTD,
140};
141
142const uint16_t PROGMEM port_to_input_PGM[] = {
143        NOT_A_PORT,
144        NOT_A_PORT,
145        (uint16_t) &PINB,
146        (uint16_t) &PINC,
147        (uint16_t) &PIND,
148};
149
150const uint8_t PROGMEM digital_pin_to_port_PGM[] = {
151        PD, /* 0 */
152        PD,
153        PD,
154        PD,
155        PD,
156        PD,
157        PD,
158        PD,
159        PB, /* 8 */
160        PB,
161        PB,
162        PB,
163        PB,
164        PB,
165        PC, /* 14 */
166        PC,
167        PC,
168        PC,
169        PC,
170        PC,
171};
172
173const uint8_t PROGMEM digital_pin_to_bit_mask_PGM[] = {
174        _BV(0), /* 0, port D */
175        _BV(1),
176        _BV(2),
177        _BV(3),
178        _BV(4),
179        _BV(5),
180        _BV(6),
181        _BV(7),
182        _BV(0), /* 8, port B */
183        _BV(1),
184        _BV(2),
185        _BV(3),
186        _BV(4),
187        _BV(5),
188        _BV(0), /* 14, port C */
189        _BV(1),
190        _BV(2),
191        _BV(3),
192        _BV(4),
193        _BV(5),
194};
195
196const uint8_t PROGMEM digital_pin_to_timer_PGM[] = {
197        NOT_ON_TIMER, /* 0 - port D */
198        NOT_ON_TIMER,
199        NOT_ON_TIMER,
200        // on the ATmega168, digital pin 3 has hardware pwm
201#if defined(__AVR_ATmega8__)
202        NOT_ON_TIMER,
203#else
204        TIMER2B,
205#endif
206        NOT_ON_TIMER,
207        // on the ATmega168, digital pins 5 and 6 have hardware pwm
208#if defined(__AVR_ATmega8__)
209        NOT_ON_TIMER,
210        NOT_ON_TIMER,
211#else
212        TIMER0B,
213        TIMER0A,
214#endif
215        NOT_ON_TIMER,
216        NOT_ON_TIMER, /* 8 - port B */
217        TIMER1A,
218        TIMER1B,
219#if defined(__AVR_ATmega8__)
220        TIMER2,
221#else
222        TIMER2A,
223#endif
224        NOT_ON_TIMER,
225        NOT_ON_TIMER,
226        NOT_ON_TIMER,
227        NOT_ON_TIMER, /* 14 - port C */
228        NOT_ON_TIMER,
229        NOT_ON_TIMER,
230        NOT_ON_TIMER,
231        NOT_ON_TIMER,
232};
233
234#endif
235
236// These serial port names are intended to allow libraries and architecture-neutral
237// sketches to automatically default to the correct port name for a particular type
238// of use.  For example, a GPS module would normally connect to SERIAL_PORT_HARDWARE_OPEN,
239// the first hardware serial port whose RX/TX pins are not dedicated to another use.
240//
241// SERIAL_PORT_MONITOR        Port which normally prints to the Arduino Serial Monitor
242//
243// SERIAL_PORT_USBVIRTUAL     Port which is USB virtual serial
244//
245// SERIAL_PORT_LINUXBRIDGE    Port which connects to a Linux system via Bridge library
246//
247// SERIAL_PORT_HARDWARE       Hardware serial port, physical RX & TX pins.
248//
249// SERIAL_PORT_HARDWARE_OPEN  Hardware serial ports which are open for use.  Their RX & TX
250//                            pins are NOT connected to anything by default.
251#define SERIAL_PORT_HARDWARE       Serial
252#define SERIAL_PORT_HARDWARE_OPEN  Serial
253
254#endif
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